Example usage for org.apache.commons.io FileUtils readFileToByteArray

Introduction

In this page you can find the example usage for org.apache.commons.io FileUtils readFileToByteArray.

Prototype

public static byte[] readFileToByteArray(File file) throws IOException

Source Link

Document

Reads the contents of a file into a byte array.

Usage

From source file:com.streamsets.pipeline.lib.generator.protobuf.TestProtobufDataGenerator.java

@Test
public void writeWithOneOfAndMap() throws Exception {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    byte[] expected = FileUtils
            .readFileToByteArray(new File(Resources.getResource("TestProtobuf3.ser").getPath()));
    DataGenerator dataGenerator = getDataGenerator(bOut, "TestRecordProtobuf3.desc", "TestRecord");

    Record record = getContext().createRecord("");
    Map<String, Field> rootField = new HashMap<>();
    rootField.put("first_name", Field.create("Adam"));
    rootField.put("full_name", Field.create(Field.Type.STRING, null));
    rootField.put("samples", Field.create(ImmutableList.of(Field.create(1), Field.create(2))));
    Map<String, Field> entries = ImmutableMap.of("hello", Field.create("world"), "bye", Field.create("earth"));
    rootField.put("test_map", Field.create(entries));
    record.set(Field.create(rootField));

    dataGenerator.write(record);//from   ww  w.jav  a2s . c  om
    dataGenerator.flush();
    dataGenerator.close();

    assertArrayEquals(expected, bOut.toByteArray());
}

From source file:edu.umn.msi.tropix.common.test.FileDisposableResourceFactoryTest.java

@Test(groups = "unit", timeOut = 1000)
public void fromByte() throws IOException {
    final byte[] bytes = new byte[10];
    RANDOM.nextBytes(bytes);//ww  w . jav a 2 s .  c o  m

    final DisposableResource resource = FileDisposableResourceFactory.getByteFunciton().apply(bytes);
    final File file = resource.getFile();
    assert file.exists();
    final byte[] fileBytes = FileUtils.readFileToByteArray(file);
    assert Arrays.equals(bytes, fileBytes);
    resource.dispose();
    assert !file.exists();
}

From source file:com.github.dactiv.fear.service.web.SystemCommonController.java

/**
 * ? freemarker ?//from  w  ww. j  ava  2s . c  o m
 *
 * @param name ???
 *
 * @return ?
 */
@RequestMapping("get-ftl-template")
public ResponseEntity<byte[]> getFtlTemplate(@RequestParam String name, HttpServletRequest request)
        throws IOException {

    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.TEXT_PLAIN);

    String path = request.getSession().getServletContext().getRealPath("") + ftlTemplatePath + name + ".ftl";
    byte[] bytes = FileUtils.readFileToByteArray(new File(path));

    return new ResponseEntity<>(bytes, headers, HttpStatus.OK);
}

From source file:com.acciente.commons.loader.JavaCompiledClassDef.java

private void loadCompiledClassFile() throws ClassNotFoundException {
    try {/*from  w ww  .ja v  a 2 s.  com*/
        // checkpoint the compiled file's modified date before the compile
        long iLastModifiedTimeAtLastLoad = _oCompiledFile.lastModified();

        _ayClassByteCode = FileUtils.readFileToByteArray(_oCompiledFile);

        _iLastModifiedTimeAtLastLoad = iLastModifiedTimeAtLastLoad;

        readReferencedClasses(_ayClassByteCode, _oCompiledFile.getName());
    } catch (IOException e) {
        throw new ClassNotFoundException("Error loading class definition", e);
    }
}

From source file:net.darkmist.alib.io.Slurp.java

/**
 * @deprecated Use {@link org.apache.commons.io.FileUtils#readFileToByteArray(java.io.File)} instead
 *///www. ja v  a2 s  .c o  m
@Deprecated
public static byte[] slurp(File file) throws IOException {
    return FileUtils.readFileToByteArray(file);
}

From source file:com.bbva.kltt.apirest.core.web.Utilities.java

/**
 * Read the file content/*from w w w. j  a  v  a 2  s.  c  o m*/
 * @param filePath with the file path
 * @return the file content as byte array
 * @throws APIRestGeneratorException with an occurred exception
 */
public static byte[] readFileContent(final String filePath) throws APIRestGeneratorException {
    Path path = null;

    if (filePath.toLowerCase().startsWith(ConstantsInput.SO_PATH_STRING_PREFIX)) {
        path = Paths.get(URI.create(filePath));
    } else {
        path = Paths.get(filePath, new String[0]);
    }

    byte[] fileContent = null;

    if (Files.exists(path, new LinkOption[0])) {
        try {
            fileContent = FileUtils.readFileToByteArray(path.toFile());
        } catch (IOException ioException) {
            final String errorString = "IOException when reading the file '" + filePath + "': " + ioException;

            Utilities.LOGGER.error(errorString, ioException);
            throw new APIRestGeneratorException(errorString, ioException);
        }
    }

    return fileContent;
}

From source file:br.ufpr.gres.core.classpath.Resources.java

private List<ClassDetails> getClasses(final File file, String filter)
        throws IOException, ClassNotFoundException {
    final List<ClassDetails> classNames = new LinkedList<>();

    if (file.exists()) {
        for (final File f : file.listFiles()) {
            if (f.isDirectory()) {
                classNames.addAll(getClasses(f, filter));
            } else if (f.getName().endsWith(filter)) {
                final ClassContext context = new ClassContext();
                final ClassReader first = new ClassReader(FileUtils.readFileToByteArray(f));
                final NullVisitor nv = new NullVisitor();
                final RegisterInformationsClassVisitor mca = new RegisterInformationsClassVisitor(context, nv);

                first.accept(mca, ClassReader.EXPAND_FRAMES);

                classNames.add(new ClassDetails(context.getClassInfo(), f, this.root));
            }/*from  w ww. j  av a 2 s  . co  m*/
        }
    }

    return classNames;
}

From source file:com.athena.chameleon.web.system.controller.SystemController.java

/**
 *   //from  ww w . ja va 2 s . c  o m
 * 
 * @param model
 * @param modelMap
 * @param session
 * @return
 * @throws Exception
 */
@RequestMapping("/codeForm.do")
public String showCode(Model model, ModelMap modelMap, HttpSession session) throws Exception {

    String loginFlag = String.valueOf(session.getAttribute("loginFlag"));
    if (loginFlag == null || !loginFlag.equals("Y"))
        return "redirect:/login/showLogin.do";

    File filteringResource = new File(PropertyUtil.class.getResource("/filtering.properties").getFile());
    CharsetDetector detector = new CharsetDetector();
    detector.setText(FileUtils.readFileToByteArray(filteringResource));
    String filteringCode = FileUtils.readFileToString(filteringResource, detector.detect().getName());

    File contextResource = new File(PropertyUtil.class.getResource("/config/context.properties").getFile());
    detector.setText(FileUtils.readFileToByteArray(contextResource));
    String contextCode = FileUtils.readFileToString(contextResource, detector.detect().getName());

    modelMap.addAttribute("filteringCode", filteringCode);
    modelMap.addAttribute("contextCode", contextCode);

    return "/main/system/codeForm";
}

From source file:model.PayloadSegment.java

/**
 * A payload segment consists of: START_SEQ, restoration metadata,
 * END_HEADER_SEQ, payload bytes, END_SEQ.
 * /*from  w w w.  j av  a 2 s  .  c o m*/
 * The restoration metadata is saved in a {@link Properties} class, and
 * keeps the name of carrier and payload, as well as their checksums and the
 * name of the algorithm used to encapsulate.
 * 
 * @param carrier
 * @param payload
 * @param algorithm
 */
public PayloadSegment(File carrier, File payload, AbstractAlgorithm algorithm) {
    String payloadChecksum = "";
    String carrierChecksum = "";
    try {
        this.payload = FileUtils.readFileToByteArray(payload);
        payloadChecksum += FileUtils.checksumCRC32(payload);
        carrierChecksum += FileUtils.checksumCRC32(carrier);
    } catch (IOException e) {
    }
    properties.put("carrierName", carrier.getName());
    properties.put("carrierChecksum", carrierChecksum);
    properties.put("payloadName", payload.getName());
    properties.put("payloadChecksum", payloadChecksum);
    properties.put("algorithm", algorithm.getClass().getName());
    properties.put("carrierPath", "" + carrier.getAbsolutePath());
    properties.put("payloadPath", "" + payload.getAbsolutePath());
}

From source file:de.undercouch.gradle.tasks.download.DownloadExtensionTest.java

/**
 * Tests if a single file can be downloaded
 * @throws Exception if anything goes wrong
 *//*from   w  w w. j av  a 2s  .c  om*/
@Test
public void downloadSingleFile() throws Exception {
    Download t = makeProjectAndTask();

    String src = makeSrc(TEST_FILE_NAME);
    File dst = folder.newFile();

    doDownload(t.getProject(), src, dst);

    byte[] dstContents = FileUtils.readFileToByteArray(dst);
    assertArrayEquals(contents, dstContents);
}